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Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device Package
LM22673TJE-5.0/NOPB

LM22673TJE-5.0/NOPB

IC REG BUCK 5V 3A TO263-7

Texas Instruments

1,048
LM22673TJE-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
LM22673TJE-ADJ/NOPB

LM22673TJE-ADJ/NOPB

IC REG BUCK ADJ 3A TO263-7

Texas Instruments

788
LM22673TJE-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
LM20333MHE/NOPB

LM20333MHE/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

569
LM20333MHE/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32V 3A 200kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM20333MH/NOPB

LM20333MH/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

312
LM20333MH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32V 3A 200kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM20343MH/NOPB

LM20343MH/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

192
LM20343MH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 28.8V 3A 250kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
BD9E100FJ-LBGE2

BD9E100FJ-LBGE2

IC REG BUCK ADJ 1A 8SOPJ

Rohm Semiconductor

913
BD9E100FJ-LBGE2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7V Buck 36V 1V 25.2V 1A 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SOP-J
TPS54360QDDAQ1

TPS54360QDDAQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

676
TPS54360QDDAQ1

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 3.5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
ADP2303ARDZ

ADP2303ARDZ

IC REG BUCK ADJ 3A 8SOIC

Analog Devices Inc.

297
ADP2303ARDZ

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 20V 3A 700kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
TPS56C20PWPR

TPS56C20PWPR

IC REG BUCK ADJ 12A 24HTSSOP

Texas Instruments

3,814
TPS56C20PWPR

Datasheet

SWIFT™, D-CAP2™, Eco-Mode™ 24-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 4.5V Buck 17V 0.6V 1.87V 12A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-HTSSOP
TPS51367RVET

TPS51367RVET

IC REG BUCK ADJ 12A 28VQFN

Texas Instruments

884
TPS51367RVET

Datasheet

D-CAP2™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 3V Buck 22V 0.6V (1.05V, 1.2V, 1.35V, 1.5V) 2V 12A 400kHz, 800kHz - Yes - -10°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LM2596T-12/LF03

LM2596T-12/LF03

IC REG BUCK 12V 3A TO220-5

Texas Instruments

137
LM2596T-12/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 12V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
MP3425DL-LF-P

MP3425DL-LF-P

IC REG BOOST ADJ 3A 14QFN

Monolithic Power Systems Inc.

660
MP3425DL-LF-P

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 3.1V Boost 22V 3.1V 55V (Switch) 3A (Switch) 300kHz ~ 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 14-QFN (3x4)
LMR23630ADDA

LMR23630ADDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

1,722
LMR23630ADDA

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 28V 3A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM5010AQ0MH/NOPB

LM5010AQ0MH/NOPB

IC REG BUCK ADJ 1A 14HTSSOP

Texas Instruments

1,299
LM5010AQ0MH/NOPB

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 6V Buck 75V 2.5V 70V 1A 100kHz ~ 1MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 14-HTSSOP
LMR23630DRRT

LMR23630DRRT

IC REG BUCK ADJ 3A 12SON

Texas Instruments

1,188
LMR23630DRRT

Datasheet

SIMPLE SWITCHER® 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 28V 3A 150kHz ~ 2.425MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-SON (3x3)
LMR23630FDRRT

LMR23630FDRRT

IC REG BUCK ADJ 3A 12SON

Texas Instruments

1,126
LMR23630FDRRT

Datasheet

SIMPLE SWITCHER® 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 28V 3A 150kHz ~ 2.425MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-SON (3x3)
TPS54550PWP

TPS54550PWP

IC REG BUCK ADJ 6A 16HTSSOP

Texas Instruments

6,954
TPS54550PWP

Datasheet

SWIFT™ 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.891V 17.2V 6A 250kHz, 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
BD8152FVM-TR

BD8152FVM-TR

IC REG BST SEPIC ADJ 1.4A 8MSOP

Rohm Semiconductor

2,971
BD8152FVM-TR

Datasheet

- 8-VSSOP, 8-MSOP (0.110", 2.80mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 5.5V 2.5V 15V (Switch) 1.4A (Switch) 600kHz, 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LT8606IDC#TRPBF

LT8606IDC#TRPBF

IC REG BUCK ADJ 350MA 8DFN

Analog Devices Inc.

2,500
LT8606IDC#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 350mA 200kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
BD9C301FJ-LBGH2

BD9C301FJ-LBGH2

IC REG BUCK ADJ 3A 8SOPJ

Rohm Semiconductor

342
BD9C301FJ-LBGH2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.8V 12.6V 3A 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-J
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

Voltage Regulators - DC-DC Switching Regulators Overview

DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.

Key Advantages

High Efficiency: By minimizing energy loss, DC-DC switching regulators extend battery life in mobile devices and reduce overall power consumption in embedded systems.
Flexibility: Available in buck (step-down), boost (step-up), buck-boost, and inverting topologies, they provide engineers with versatile solutions for a wide range of voltage conversion needs.
Compact Size: With the integration of control circuitry and optimized packaging, regulators are now available in ultra-small footprints such as QFN and TSSOP, enabling compact PCB designs.
Thermal Performance: Efficient energy transfer reduces heat generation, which is critical in high-density boards and automotive ECUs.

Typical Applications

Consumer Electronics: Smartphones, tablets, wearables, and gaming devices rely on DC-DC converters for stable operation of processors, memory, and RF modules.
Industrial Equipment: Used in factory automation, robotics, and sensor networks where stable power is critical.
Automotive Systems: Powertrain control modules, infotainment units, and ADAS (Advanced Driver Assistance Systems) require efficient DC-DC conversion to meet stringent performance and reliability standards.
Telecommunication & Networking: Routers, base stations, and IoT gateways integrate switching regulators to ensure consistent power delivery under variable loads.

Features to Consider

When selecting a DC-DC switching regulator, engineers should evaluate:
Input voltage range and output voltage accuracy
Maximum output current capability
Efficiency curves under various load conditions
Switching frequency and EMI performance
Package type and thermal dissipation
Compliance with RoHS/REACH and automotive AEC-Q100 standards

Inventory and Availability

At OEMSTOCK.COM, we maintain a broad selection of Voltage Regulators – DC-DC Switching Regulators from leading manufacturers such as Texas Instruments, Analog Devices, Nuvoton, and Nisshinbo Micro Devices. Products are available in multiple packages and stocked in significant quantities to support both prototype development and large-scale production. Our global sourcing network ensures competitive pricing and reliable lead times, while our RFQ system allows engineers and procurement teams to request customized quotations instantly.
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